Initial commit

Lts/Services/AudioVideoManagement/tvc_handler.h

@@ -0,0 +1,103 @@
+/**
+  * TrainingVoiceCommunicationHandler - reads TetraChannel and TvcConfig data from the database and publishes the data to dds,
+  * reacts to TvcConfig related Function topics
+  * $Id$
+  * $HeadURL$
+  * $Author$
+  * Created by Hannes Baeuerle, SLSE, 2017-07-25
+  */
+#pragma once
+
+#include <avm_fts.h>
+#include <avm_db.h>
+#include "logger.h"
+#include <QtCore/QObject>
+#include <QVector>
+#include <QMap>
+#include <boost/optional.hpp>
+#include <functional>
+#include <memory>
+
+namespace AudioVideoManagement
+{
+
+namespace Interface
+{
+class Dts;
+class Fts;
+}
+
+class ExerciseContext;
+class ActiveExercises;
+
+class TvcHandler final
+  : public QObject
+  , protected Interface::Fts::ModifyTvcConfigRequestHandler
+  , protected Interface::Fts::RemoveTvcConfigRequestHandler
+{
+  Q_OBJECT
+  
+public:
+  TvcHandler(Interface::Dts *dts, Interface::Fts *fts, DatabaseInterface *db, ActiveExercises *activeExercises);
+  ~TvcHandler();
+
+  bool init();
+
+  bool             hasConfig(int32_t id) const;
+  const TvcConfig &config(int32_t id) const;
+
+signals:
+  /** Signalled after device_config modifications. */
+  void avDbReloadNeeded();
+
+  /** Only emitted on change, i.e. not on create or remove. */
+  void tvcConfigChanged(const TvcConfig &tvcConfig);
+
+protected:
+  void onModifyTvcConfigRequest(const rti::core::SampleIdentity &cookie,
+                                const ModifyTvcConfigRequest &request) override;
+  void onRemoveTvcConfigRequest(const rti::core::SampleIdentity &cookie,
+                                const Core::RemoveElementRequest &request) override;
+
+private:
+  Database::AvmDeviceConfig toDeviceConfig(const TvcConfig &tvcConfig) const;
+
+  bool isValidChannel(int64_t channelId) const;
+  bool isFreeChannel(const ModifyTvcConfigRequest &request) const;
+  bool isFreeChannel(int32_t channelId, const boost::optional<int> &exerciseId, const boost::optional<int32_t> &excludeId = boost::none) const;
+  
+  bool isNameUnique(const ModifyTvcConfigRequest &request) const;
+  bool isNameUnique(const std::string &name, const boost::optional<int> &exerciseId, const boost::optional<int32_t> &excludeId = boost::none) const;
+
+  Core::FunctionReplyObject createTvcConfig(const ModifyTvcConfigRequest &request, const boost::optional<int32_t> &dbId = boost::none);
+  Core::FunctionReplyObject modifyTvcConfig(const ModifyTvcConfigRequest &request);
+  Core::FunctionReplyObject removeTvcConfig(const Core::RemoveElementRequest &request);
+
+  Database::AvmTvcChannel channelById(int32_t id) const;
+
+private slots:
+  void onContextActivated(const ExerciseContext &context);
+  void onContextDeactivated(const ExerciseContext &context);
+
+  void onDbDeleteAvmTvcConfig(const QVariant &id);
+  
+private:
+  bool    isActiveExercise(int exerciseId) const;
+  Core::FunctionReplyObject validateRequest(const ModifyTvcConfigRequest &request);
+  bool    checkConstraint(const std::function<bool (const TvcConfig &)> &constraint, const boost::optional<int> &exerciseId, const boost::optional<int32_t> &excludeId) const;
+  QString exerciseList(const TvcConfig &config) const;
+  bool    needDeviceConfig(const TvcConfig &config) const;
+
+  class DeviceConfig;
+
+  Interface::Dts                                     *m_dts;
+  Interface::Fts                                     *m_fts;
+  DatabaseInterface                                  *m_db;
+  ActiveExercises                                    *m_activeExercises;
+  QMap<int32_t, TvcConfig>                            m_cache; // <TvcConfig::id, TvcConfig>
+  QVector<Database::AvmTvcChannel>                    m_channels;
+  LOGGER_T                                           &m_logger;
+  std::unique_ptr<DeviceConfig>                       m_deviceConfig;
+};
+
+} // namespace AudioVideoManagement